<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color: #f4f4f4;
        }
        h1 {
            font-size: 5em;
            color: #555;
            margin: 20px 0;
        }
        p {
            font-size: 1.5em;
            color: #777;
        }
        img {
            width: 50%;
            max-width: 300px;
            margin: 20px 0;
        }
        a {
            color: #ff7f50;
            text-decoration: none;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <h1>404</h1>
    <p>抱歉，页面未找到</p>
    <p>看起来你走进了虚空地带，请 <a href="/">返回首页</a> 或 <a href="javascript:history.back()">返回上一页</a></p>
</body>
</html>
